The word comes from the Greek pathos : disease; and logos: study; and construction; focusing assembly diseases; of chemical origin; physical; mechanical or electrochemical. Its important to know; that constructive pathologies appear in 75% of cases of bad design and poor quality of workmanship; or is of human error; which can be reversed with skilled labor; staff training; quality controls and study; in cabinet; the right design for each project. Addition; 50% of these pathologies are related to moisture; reinforcing the importance of correct waterproofing work.